// list installed packages
// if args[0] is a package, list its dependencies

var shop = use('shop')

var ctx = null
var pkg_name = "Local"
var target_alias = null

if (args && args.length > 0) {
    target_alias = args[0]
    // Resolve alias from local config
    ctx = shop.get_normalized_module(target_alias, null)
    if (!ctx) {
        log.console("Package '" + target_alias + "' not found in dependencies.")
        $_.stop()
        return
    }
    pkg_name = target_alias + " (" + ctx + ")"
}

var deps = shop.dependencies(ctx)
if (target_alias) {
  log.console("Dependencies for " + pkg_name + ":")
} else {
  log.console("Installed Packages (Local):")
}

var aliases = []
for (var k in deps) aliases.push(k)
aliases.sort()

if (aliases.length == 0) {
  log.console("  (none)")
} else {
  for (var i = 0; i < aliases.length; i++) {
      var alias = aliases[i]
      var locator = deps[alias]
      log.console("  " + alias + " -> " + locator)
  }
}

$_.stop()